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36 package gr.grnet.aquarium.actor
40 import gr.grnet.aquarium.actor._
41 import gr.grnet.aquarium.user._
43 import gr.grnet.aquarium.util.shortClassNameOf
44 import gr.grnet.aquarium.util.chainOfCauses
45 import gr.grnet.aquarium.util.date.TimeHelpers
46 import gr.grnet.aquarium.actor.message.service.router._
47 import message.config.{ActorProviderConfigured, AquariumPropertiesLoaded}
48 import gr.grnet.aquarium.event.im.IMEventModel
49 import akka.config.Supervision.Temporary
50 import akka.actor.PoisonPill
51 import gr.grnet.aquarium.{AquariumException, Configurator}
52 import com.ckkloverdos.convert.ConverterException
57 * @author Christos KK Loverdos <loverdos@gmail.com>
60 class UserActor extends ReflectiveRoleableActor {
61 private[this] var _userID: String = _
62 private[this] var _userState: UserState = _
64 self.lifeCycle = Temporary
66 private[this] def _shutmedown(): Unit = {
68 UserActorCache.invalidate(this._userID)
74 override protected def onThrowable(t: Throwable, message: AnyRef) = {
75 ERROR("Oops!\n", chainOfCauses(t).map("!! " + _) mkString "\n")
76 ERROR(t, "Terminating due to: %s(%s)", shortClassNameOf(t), t.getMessage)
81 def role = UserActorRole
83 private[this] def _configurator: Configurator = Configurator.MasterConfigurator
84 // private[this] def _userId = _userState.userId
86 private[this] def _timestampTheshold =
87 _configurator.props.getLong(Configurator.Keys.user_state_timestamp_threshold).getOr(10000)
90 private[this] def _haveFullState = {
91 (this._userID ne null) && (this._userState ne null)
94 def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
97 def onActorProviderConfigured(event: ActorProviderConfigured): Unit = {
100 private[this] def _computeAgreementForNewUser(imEvent: IMEventModel): String = {
101 // FIXME: Implement based on the role
105 private[this] def processCreateUser(imEvent: IMEventModel): Unit = {
106 val userID = imEvent.userID
107 this._userID = userID
109 val store = _configurator.storeProvider.userStateStore
110 // try find user state. normally should ot exist
111 val latestUserStateOpt = store.findLatestUserStateByUserID(userID)
112 if(latestUserStateOpt.isDefined) {
113 logger.error("Got %s(%s, %s) but user already exists. Ingoring".format(
115 shortClassNameOf(imEvent),
121 val initialAgreementName = _computeAgreementForNewUser(imEvent)
122 val newUserState = DefaultUserStateComputations.createInitialUserState(
124 imEvent.occurredMillis,
128 initialAgreementName)
130 this._userState = newUserState
132 // FIXME: If this fails, then the actor must be shut down.
133 store.insertUserState(newUserState)
136 private[this] def processModifyUser(imEvent: IMEventModel): Unit = {
137 val now = TimeHelpers.nowMillis()
139 if(!_haveFullState) {
140 ERROR("Got %s(%s) but have no state. Shutting down", shortClassNameOf(imEvent), imEvent.eventType)
145 this._userState = this._userState.modifyFromIMEvent(imEvent, now)
148 def onProcessSetUserID(event: ProcessSetUserID): Unit = {
149 this._userID = event.userID
152 def onProcessIMEvent(event: ProcessIMEvent): Unit = {
153 val imEvent = event.imEvent
154 if(imEvent.isCreateUser) {
155 processCreateUser(imEvent)
156 } else if(imEvent.isModifyUser) {
157 processModifyUser(imEvent)
159 throw new AquariumException("Cannot interpret %s".format(imEvent))
163 def onRequestUserBalance(event: RequestUserBalance): Unit = {
164 val userId = event.userID
165 // FIXME: Implement threshold
166 self reply UserResponseGetBalance(userId, _userState.creditsSnapshot.creditAmount)
169 def onUserRequestGetState(event: UserRequestGetState): Unit = {
170 val userId = event.userID
172 self reply UserResponseGetState(userId, this._userState)
175 def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
179 private[this] def D_userID = {
180 if(this._userID eq null)
181 "<NOT INITIALIZED>" // We always get a userID first
183 if(this._userState eq null)
184 "%s, NO STATE".format(this._userID)
186 "%s".format(this._userID)
189 private[this] def DEBUG(fmt: String, args: Any*) =
190 logger.debug("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
192 private[this] def INFO(fmt: String, args: Any*) =
193 logger.info("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
195 private[this] def WARN(fmt: String, args: Any*) =
196 logger.warn("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
198 private[this] def ERROR(fmt: String, args: Any*) =
199 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
201 private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
202 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)), t)